/**
 * GWT Kad : Kademlia implementation for GWT
 * Copyright (C) 2012  Pierrick HYMBERT, Paul-André MISTRAL, Florian ALEXANDRE
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package org.kad.gwt.web.client.applet.internal;

import java.applet.Applet;

import org.kad.gwt.web.client.applet.AppletListener;
import org.kad.gwt.web.client.applet.GWTKadApplet;
import org.kad.gwt.web.client.applet.internal.services.GWTKadAppletService;
import org.kad.gwt.web.client.applet.internal.services.Logger;

/**
 * Applet wrapper for {@link org.kad.gwt.web.client.applet.internal.services.GWTKadAppletService}.
 * 
 * @author Pierrick HYMBERT &lt;pierrick [dot] hymbert [at] gmail [dot] com&gt;
 */
public class GWTKadAppletImpl extends Applet implements GWTKadApplet {
    /**
     * serial uid.
     */
    private static final long  serialVersionUID = -2758676662937090794L;
    /**
     * Le serveur http.
     */
    private GWTKadAppletService service;
    /**
     * The applet logger.
     */
    private Logger logger = new Logger();

    /**
     * {@inheritDoc}
     */
    @Override
    public void init() {
        logger.info("Initialization...");
        service = new GWTKadAppletService(logger);
        int startPort = Integer.valueOf(getParameter(GWTKadApplet.APPLET_PORT));
        while (!service.isReady()) {
            logger.info("Trying port " + startPort);
            service.startServer(startPort++, getParameter(GWTKadApplet.APPLET_CONTEXT));
        }
        logger.info("Initialization done!");
    }
    
    /**
     * {@inheritDoc}
     */
    @Override
    public void destroy() {
        logger.info("Destroying");
        logger.close();
        service.stopServer();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void addErrorListener(AppletListener errorListener) {
        service.addErrorListener(errorListener);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void addMessageListener(AppletListener messageListener) {
        service.addMessageListener(messageListener);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void removeMessageListener(AppletListener messageListener) {
        service.removeMessageListener(messageListener);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void removeErrorListener(AppletListener errorListener) {
        service.removeErrorListener(errorListener);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean isReady() {
        return service.isReady();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int getListenPort() {
        return service.getListenPort();
    }
}
